MPSC PYQ

MPSC Rajyaseva 2022 GS Paper 1 — Question 39

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सोनार (साऊंड नेव्हीगेशन श्रेणी) तंत्र ______ यासाठी वापरले जाते. SONAR (Sound Navigational Ranging) technique is used for ______ .

1)जन्मपूर्व परीक्षा / Prenatal examination
2)हृदयाच्या झडपांच्या क्रियेचा अभ्यास / the study of heart valve action
3)भुवैज्ञानिक अभ्यास / Geological study
4)पाणबुडीसारख्या बुडलेल्या वस्तुची गती आणि स्थिती मापण्यासाठी / measuring motion and position of the submerged objects like submarines✓ Correct

SONAR uses ultrasonic sound waves to navigate, measure distances, and detect objects underwater, such as submarines or sea beds.